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Postato il 08/02/2020 : 11:30:50 Tengchao Chemical is one of the largest manufacturers and suppliers of N-methyl pyrrolidone 99.9%min special used for lithium ion battery in China. Top quality, professional service, competitive price and expert advice are our main characteristics. If you're interested in the N-methyl pyrrolidone 99.9%min special used for lithium ion battery, welcome to contact our factory for more details.http://www.tchaochem.com/nmp-solvent/electrical-grade-n-methyl-pyrrolidone/n-methyl-pyrrolidone-99-9-min-special.html